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Llesenia Yasmeen Massey

Assistant Behavior Analyst in Yakima, WA · enumerated 2021.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1144984378

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Registry record

Entity type Individual (Type 1)
Name Llesenia Yasmeen Massey
Sex Female
Practice address 3801 Kern Way, Yakima, WA, 98902
Phone (509) 574-3000
Enumeration date Oct 25, 2021
Last updated in NPPES Oct 25, 2021

Taxonomy & licenses

106E00000X Assistant Behavior Analyst Behavioral Health & Social Service Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Llesenia Massey?
The National Provider Identifier (NPI) for Llesenia Massey is 1144984378, a Type 1 (individual) record in the CMS NPPES registry.
Where does Llesenia Massey practice?
The practice location on file with NPPES is in Yakima, WA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-25.